Pool



FIG. 1 is a top perspective view of an embodiment of the pool;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a side view thereof;

FIG. 7 is a side view thereof; and,

FIG. 8 is a bottom view thereof.

CLAIM The ornamental design for a pool, as shown and described.